City in Clinton County, Iowa · 0.5 sq mi · 697 people per sq mi
About 340 people live in Calamus. The typical household earns $68,250, and the median resident is 39.3 years old.
2026 projection
From 354 in 2020
Poverty rate 2.93%
Men 38.5 · Women 41.5
2010–2026
344
2026 projection
2.8% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
2010–2026
344
2026 projection
2.8% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
| 2026 | 344 | -2 | 0.58% |
|---|---|---|---|
| 2025 | 346 | -2 | 0.57% |
| 2024 | 348 | -1 | 0.29% |
| 2023 | 349 | -2 | 0.57% |
| 2022 | 351 | -2 | 0.57% |
| 2021 | 353 | -1 | 0.28% |
| 2020 | 354 | -48 | 11.94% |
| 2019 | 402 | 0 | 0.00% |
| 2018 | 402 | -7 | 1.71% |
| 2017 | 409 | -7 | 1.68% |
Showing 10 of 17 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 4 people).
Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002
Half of households earn more, half earn less
Typical yearly pay for a worker 25 or older.
About 1 in 34 residents
55% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 55% | 50% | 59% |
| Never married | 24% | 32% | 15% |
| Divorced | 12% | 8% | 17% |
| Widowed | 8% | 8% | 9% |
| Separated | 1% | 2% | 0% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau